.knowledge-guide{
  max-width:1080px;
  margin:0 auto;
  padding:58px 24px 54px;
}

.knowledge-guide article{
  max-width:780px;
}

.knowledge-guide .back{
  display:inline-block;
  margin-bottom:30px;
  color:#2563eb;
  font-weight:700;
  text-decoration:none;
}

.knowledge-guide .back:hover{
  text-decoration:underline;
}

.knowledge-guide .kicker{
  color:#2563eb;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.knowledge-guide h1{
  margin:10px 0 18px;
  color:#0f172a;
  font-size:clamp(36px,6vw,58px);
  line-height:1.06;
  letter-spacing:-.04em;
}

.knowledge-guide .updated{
  margin:-6px 0 18px;
  color:#64748b;
  font-size:14px;
}

.knowledge-guide .lead{
  margin:0 0 34px;
  color:#475569;
  font-size:19px;
  line-height:1.75;
}

.knowledge-guide .quick-answer{
  margin:32px 0 42px;
  padding:24px 26px;
  border-left:4px solid #2563eb;
  border-radius:0 16px 16px 0;
  background:#f8fafc;
}

.knowledge-guide .quick-answer strong{
  display:block;
  margin-bottom:7px;
  color:#0f172a;
  font-size:18px;
}

.knowledge-guide h2{
  margin:48px 0 16px;
  color:#0f172a;
  font-size:28px;
  letter-spacing:-.02em;
}

.knowledge-guide h3{
  margin:30px 0 10px;
  color:#0f172a;
  font-size:20px;
}

.knowledge-guide p,
.knowledge-guide li{
  color:#475569;
  font-size:17px;
  line-height:1.75;
}

.knowledge-guide ul{
  padding-left:24px;
}

.knowledge-guide li{
  margin:9px 0;
}

.knowledge-guide .requirements{
  margin:24px 0 36px;
  padding:24px 28px;
  border:1px solid #e2e8f0;
  border-radius:18px;
  background:#fff;
}

.knowledge-guide .requirements ul{
  margin:0;
}

.knowledge-guide .note{
  margin:28px 0;
  padding:20px 22px;
  border:1px solid #e2e8f0;
  border-radius:16px;
  background:#f8fafc;
}

.knowledge-guide .cta{
  margin-top:52px;
  padding:30px;
  border-radius:22px;
  background:#0f172a;
}

.knowledge-guide .cta h2{
  margin:0 0 10px;
  color:#fff;
}

.knowledge-guide .cta p{
  margin:0 0 22px;
  color:#cbd5e1;
}

.knowledge-guide .cta a{
  display:inline-block;
  padding:13px 20px;
  border-radius:12px;
  background:#fff;
  color:#0f172a;
  font-weight:800;
  text-decoration:none;
}

.knowledge-guide .source{
  margin-top:34px;
  color:#64748b;
  font-size:14px;
}

.knowledge-guide .source a{
  color:#2563eb;
}

@media(max-width:600px){
  .knowledge-guide{
    padding:42px 18px 54px;
  }

  .knowledge-guide .lead{
    font-size:17px;
  }

  .knowledge-guide p,
  .knowledge-guide li{
    font-size:16px;
  }
}